This is a particle-in-cell plasma code 'picard' that was developed by Jesper Lindkvist and Herbert Gunell with start in 2016 using resources provided by the Swedish National Infrastructure for Computing (SNIC) at the High Performance Computing Center North (HPC2N), Umeå University, Sweden. Jesper Lindkvist was funded by the Swedish National Space Board (SNSB project 201/15) and Herbert Gunell by the Swedish National Space Agency (SNSA project 108/18). A paper based on the first version was published in A&A <https://doi.org/10.1051/0004-6361/201936004>. The present version (1.1.3) has been updated to include ionisation as a source of cometary ions, and hdf5 files are used for writing the output. The changes in this version were made by Herbert Gunell. Version 1.1.3 differs from 1.1.2 in that a bug has been fixed, and that an m-file for plotting particle data now has been inluded. The files included are: picard.tgz Package containing all source file, some matlab m-files that can be used for plotting of the results, and an input file that was used for a simulation that will be used in an upcoming publication by Herbert Gunell and Charlotte Götz. fig-cur.mp4 Videoclip showing results from the simulation defined by the input file, specifically three-dimensional current paths from different angles. @author : Jesper Lindkvist Email : jesper.lindkvist.se@gmail.com @author : Herbert Gunell Email : herbert.gunell@physics.org